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Borrowings (Schedule of Maturities on Long-term Bank Loans Including Current Portion) (Details)
Mar. 31, 2019
USD ($)
Debt Disclosure [Abstract]  
2019 $ 178,057,193
2020 24,939,940
2021 95,482,749
2022 27,167,609
After 2022 40,593,611
Total $ 366,241,102